Authentication Portal

Provenance
Verification

Every Celadon Archive acquisition carries a verifiable cryptographic chain of custody. Enter your certificate reference below to access the complete authentication record.

Records are secured via the Zhejiang Cultural Exchange Blockchain Network. All timestamps are immutable and legally admissible in PRC courts.

The Chain of Trust

Five-Stage Authentication Protocol

01

Initial Assessment

Visual inspection by senior curator; comparative analysis against known authentic specimens.

02

Scientific Testing

Thermoluminescence dating, X-ray fluorescence analysis, microscopic glaze examination.

03

Expert Panel Review

Three independent scholars submit written opinions; majority consensus required.

04

Legal Notarization

Digital notarization via blockchain timestamp; physical certificate issued.

05

Export Licensing

Class A Cultural Relics Exit Permit; customs clearance documentation archived.

State-Supervised

All transactions overseen by Zhejiang Cultural Exchange

Notarized

Digital notarization via blockchain timestamp

Legal Export

Full Cultural Relics Export License (Class A)

100-Year Guarantee

Unconditional authenticity guarantee across generations

Technical Specifications

Blockchain Platform
Zhejiang Cultural Exchange Consortium Chain
Consensus Mechanism
PBFT (Practical Byzantine Fault Tolerance)
Hash Algorithm
SHA-256 with Merkle Tree verification
Timestamp Authority
China Academy of Atomic Energy (CAAE) NTP Root
Legal Framework
PRC Civil Code Art. 127; E-Commerce Law Art. 68
Data Retention
Permanent — distributed across 21 geographically dispersed nodes
Audit Frequency
Quarterly internal + annual third-party (PwC)

Require Additional Verification?

Our provenance research team can prepare custom authentication reports for insurance, estate planning, or institutional acquisition purposes.

Contact Research Team